... =⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎦⎤⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎣⎡−=⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎦⎤⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎣⎡−⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎥⎦⎤⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎢⎣⎡−−−−−−−−= 1 033473533 1 1 1 22 1 2 1 1 10 000000 11 000000 211 00000 12 110 000 012 110 000 012 110 000 012 110 000 012 11 0000 012 100000 012 000000 01 CHUÔNG CHUÔNG 4:4:BOBOÄÄLOLOÏÏC ... = [1, 1, 2, 1, 2, 2, 1, 1 ],x = [1, 1, 2, 1, 2, 2, 1, 1 ],h = [1, 2, h = [1, 2, - - 1, 1] 1, 1] thêm vathêm vaøøo : x = [ 1, 1, 2, 1, 2, 2, 1, 1, 0]o : x = [ 1, 1, 2, 1, 2, 2, 1, 1, 0]CHNG ... ( - - 1) 1) nnu(n)u(n)0.75y(n0.75y(n - - 1) + x(n) = 0.75[4( 1) + x(n) = 0.75[4( - - 1) 1) nn - - 1 1/7 + 3(0.75)/7 + 3(0.75)nn - - 1 1/7] + (/7] + ( - - 1) 1) n n = 3(= 3( - - 1) 1) nn/7...